org.apache.oro.util

Class CacheLRU

public final class CacheLRU extends GenericCache

This class is a GenericCache subclass implementing an LRU (Least Recently Used) cache replacement policy. In other words, values are added to the cache until it becomes full. Once the cache is full, when a new value is added to the cache, it replaces the least recently used value currently in the cache. This is probably the best general purpose cache replacement policy.

Since: 1.0

Version: 2.0.8

See Also: GenericCache

Constructor Summary
CacheLRU(int capacity)
Creates a CacheLRU instance with a given cache capacity.
CacheLRU()
Same as:
 CacheLRU(GenericCache.DEFAULT_CAPACITY);
 
Method Summary
voidaddElement(Object key, Object value)
Adds a value to the cache.
ObjectgetElement(Object key)

Constructor Detail

CacheLRU

public CacheLRU(int capacity)
Creates a CacheLRU instance with a given cache capacity.

Parameters: capacity The capacity of the cache.

CacheLRU

public CacheLRU()
Same as:
 CacheLRU(GenericCache.DEFAULT_CAPACITY);
 

Method Detail

addElement

public final void addElement(Object key, Object value)
Adds a value to the cache. If the cache is full, when a new value is added to the cache, it replaces the least recently used value in the cache (i.e., LRU).

Parameters: key The key referencing the value added to the cache. value The value to add to the cache.

getElement

public Object getElement(Object key)
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